Teton County, Idaho

Teton County
Location within the U.S. state of Idaho
Idaho's location within the U.S.
Coordinates: 43°45′N 111°13′W / 43.75°N 111.21°W / 43.75; -111.21
Country United States
State Idaho
FoundedJanuary 26, 1915
Named afterThe Teton Mountains
SeatDriggs
Largest cityVictor
Area
  Total
451 sq mi (1,170 km2)
  Land449 sq mi (1,160 km2)
  Water1.1 sq mi (3 km2)  0.2%
Population
 (2020)
  Total
11,630
  Estimate 
(2024)
12,932
  Density26/sq mi (10.0/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitetetoncountyidaho.gov

Teton County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 11,630. The county seat is Driggs, and the largest city is Victor. The county was established in 1915 and was named after the Teton Mountains to the east. Teton County is part of the Jackson, WY-ID Micropolitan Statistical Area.

The Teton Valley was discovered by exploret John Colter in 1808, a member of the Lewis and Clark Expedition (180406). It became known as Pierre's Hole, and it hosted the well-attended 1832 Rendezvous, which was followed by the Battle of Pierre's Hole.